赞题库-背景图

单项选择题

The policemen arrived in time and caught the thief.

A．Right.
B．Wrong.
C．Doesn't say

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热门试题

单项选择题The boys usually helped their teacher after their lessons were over.

A．Right.
B．Wrong.
C．Doesn't say.

单项选择题A．inB．underC．by

A．in
B．under
C．by